
package thinkinginjava.concurrency;

import java.util.concurrent.TimeUnit;

public class SimpleDaemons implements Runnable {

    @Override
    public void run() {
        try {
            while (true) {
                TimeUnit.MILLISECONDS.sleep(100);
                System.out.println(Thread.currentThread() + "  " + this);
            }
        } catch (InterruptedException e) {
            System.out.println("sleep() InterruptedException");
        }

    }

    public static void main(String[] args) throws InterruptedException {
        for (int i = 0; i < 10; i++) {
            Thread daemon =new Thread(new SimpleDaemons());
            daemon.setDaemon(true);//must call before start 
            daemon.start();
        }
        System.out.println("all daemonThread started");
        TimeUnit.MILLISECONDS.sleep(185);
    }

}
